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Identify the action reaction pairs in the following situations:
a. Snowball hits a girl in the back. Snowball pushes girl's back; girl's back pushes on snowball.
b. A baseball player catches a ball. Ball pushes on glove, glove pushes on ball.
c. A man takes a step. Man pushes on the ground; ground pushes on the man.
d. A gust of wind strikes a window. Air hits the window; the window pushes on the air.
Explain the Spinning Problems The Law of Conservation of Angular momentum states that if there is no net applied torque on a body then angular momentum is conserved. This is si
In X-ray tube, when high speed electrons strike the target, they move into the target. They lose their kinetic energy and come to rest inside the solid. The electron because of fin
what should be the length of a nichrome wire of resistance 45 ohms if the length of a similar wire is 60 cm and resistance is 25 ohms
In laboratory frame of reference, particle A moves along X direction with velocity 0.5 c and particle B moves along Y direction with velocity 0.4 c. Evaluate velocity of particle B
At a distance of 4,000 ft from the launch site, a spectator is observing a rocket being launched. If the rocket lifts off vertically and is rising at a speed of 600 ft/sec when it
Variation of temperature of a body according to Newton's law: Let Consider a system has a temperature Φi at time t = 0. It is placed in an environment whose temperature is Φ0. We a
Musical Sounds: Sound that produces pleasant effects on our ear is known as musical sound. Such as sound of flute, violin.
what are the characterstics of laser?
Any thermodynamic procedure which takes place in a system without the exchange of heat with the surroundings.
Describe dispersive power of the material of a prism. What do you mean by angular dispersion?
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